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Founded in 2002, we are a famous air to air heat exchanger equipment manufacturer in China. Our company is located in Baiwang Mountain Forest Park that is famous for "Oxygen Source of Beijing", with construction area of 30,000 square meters. Yearly production quantity reaches 100,000 sets. We have been dedicating to researching and developing air heat exchange technology since setting up. We were one of the main companies engaged in editing national standard "GB/T 21087-2007 air to air energy recovery equipment" in 2007 and "unit type ventilation air to air heat recovery units for air condition" in 2013.

We master air heat exchange core technology. We independently develop various kinds of heat exchangers such as plate, rotary, heat pipe type and liquid circulation type etc. and use the heat exchange technology developing heat recovery ventilator and combining heat recovery air handling units, wind turbine air to air heat exchange coolers etc., which are widely applied to healthy green house, commercial central air condition, industrial purification central air condition, wind turbine, basement station cooling system etc. Our products sell in native and export to 41 foreign countries and areas. Heat recovery ventilator and heat exchanger rank top one in native market share.